AirHint found the following cheapest return flights from Washington (DCA) to Johannesburg (JNB) in August 2025 (see full year).

Return flights

29 Aug - 06 Sep	KLM
30 Aug - 06 Sep	KLM
27 Aug - 13 Sep	Virgin Atlantic
28 Aug - 13 Sep	Virgin Atlantic
27 Aug - 02 Sep	Qatar Airways
21 Aug - 04 Sep	Qatar Airways
18 Aug - 01 Sep	Qatar Airways
20 Aug - 29 Aug	KLM
09 Aug - 21 Aug	Virgin Atlantic
08 Aug - 18 Aug	Virgin Atlantic
16 Aug - 23 Aug	United
02 Aug - 12 Aug	Virgin Atlantic
07 Aug - 21 Aug	Qatar Airways
05 Aug - 12 Aug	KLM
03 Aug - 17 Aug	Delta
04 Aug - 18 Aug	Qatar Airways
03 Aug - 13 Aug	Qatar Airways

Also check the deals for one-way flights from Washington to Johannesburg in August.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Washington to Johannesburg in August from 1450CAD

Return flights